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CONNECTIONS – PLUMBING
All plumbing work must be carried out by a qualified person and in accordance
with Clauses G12 and H1 of the New Zealand Building Code, the Standard
AS/NZS 3500.4 and all local codes and regulatory authority requirements.
CONNECTION SIZES
•
Hot water connection
•
Cold water connection
•
Relief valve connection
WATER INLET AND OUTLET
The water connections can be made to either side. The Rheem 312025 model
water heater has cold and hot water connections on the left hand side.
All pipe work must be cleared of foreign matter before connection and purged
before attempting to operate the water heater. All olive compression fittings must
use brass or copper olives. Use an approved thread sealant such as Teflon tape
on all sealing threads.
An isolation valve and non-return
valve must be installed on the cold
water line to the water heater. An
acceptable arrangement is shown
in the diagram. Refer also to
Water Delivery"
on page 26 and to
"Mains
Water
page 25.
A
disconnection
always be provided at the cold
water inlet and hot water outlet on
the water heater to allow for
disconnection of the water heater.
This water heater has either a plastic dip tube or
fitting liner in the inlet and outlet fittings (see
diagram). These must be in place for the water
heater to function properly. Do not remove or
damage them by using heat nearby. They will be
pushed into the correct position as the fitting is
screwed in.
Rp 3/4
Rp 3/4
Rp 1/2
"Hot
Supply"
on
union
must
32
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